Seeding schedule & best materials to use

[Langdon]

I was wondering if someone could point me in the direction of a guide on the best methods and material to replant a lawn. First off we are in Chicago since I know the region helps determine the times to plant. The previous lawn was killed and stripped at the start of this past winter so only the soil remains.
I will be bringing in more topsoil prior to planting to raise and supplement the lawn area. I also purchased several pounds of a premium bluegrass from a reputable seed company.

Now what remains is how, when, and what materials to prepare the soil with. I would appreciate any help or advice you might be willing to share. Even brands of materials would help.

Thanks

[timturf]

how many sq ft?
what business you in?
where in chicago area, I am from dixon, ill